CN203223467U - Automobile transmission shaft hanger supporting bearing - Google Patents
Automobile transmission shaft hanger supporting bearing Download PDFInfo
- Publication number
- CN203223467U CN203223467U CN 201320242818 CN201320242818U CN203223467U CN 203223467 U CN203223467 U CN 203223467U CN 201320242818 CN201320242818 CN 201320242818 CN 201320242818 U CN201320242818 U CN 201320242818U CN 203223467 U CN203223467 U CN 203223467U
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Abstract
The utility model provides an automobile transmission shaft hanger supporting bearing and belongs to the technical field of bearing manufacturing and the bearing is mainly used for solving the problems that grease leakage can happen when existing automobile transmission shaft hanger supporting bearings run at a high speed, thus causing bearing failure. The automobile transmission shaft hanger supporting bearing is mainly characterized by comprising an outer ring, an inner ring, steel balls, a cage and seal rings, wherein the steel balls and the cage are installed between the outer ring and the inner ring; the seal rings are installed on the two sides of the outer ring and the inner ring; the outer diameter ends of the seal rings are arranged in seal grooves on the inner holes of the outer ring; a groove is formed on the end face of the inner ring; a boss is formed on the inner side of the groove; the inner diameter ends of the seal rings adopt three-lip sealing structures; the inner diameter of the first lip and the excircle of the inner ring adopt transition fit; the inner diameter of the second lip and the bottom surface of the groove adopt interference fit; the inner diameter of the third lip and the side of the groove adopt interference fit. The automobile transmission shaft hanger supporting bearing has the characteristics that good lubrication can be maintained and the service life of the bearing can be prolonged.
Description
Technical field
The utility model belongs to bearing manufacturing technology field, is specifically related to a kind of vehicle transmission axle suspension block bearing, particularly a kind of bearing with novel sealing structure.
Background technique
Vehicle transmission axle suspension block bearing environment of living in often contacts silt particle, water, the time bears axially in work, radial load and moment of torsion.
Vehicle transmission axle suspension block bearing is a key components and parts of automobile, and it has directly influenced the torque transmission effect.Under present use condition, the working condition of this bearing is to swing in 15 ° of scopes, and the diameter of axle is bigger to impact force.
Along with technical development, the efficient of automobile improves, improved about more than 30% before moment of torsion, rotating speed are compared, under high pulling torque like this, high speed conditions, leakage problem can appear in the lubricating grease of bearing inside, if serious, the outside silt water of lubricating grease leakage enters in the bearing, then can cause the premature failure of bearing, thereby influence the proper functioning of vehicle transmission axle suspension.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of block bearing with novel sealing structure, the sealing configuration of this bearing can solve bearing leaks fat under the high pulling torque high speed operation problem, can keep good lubricating, improve the working life of bearing.
In order to solve above-mentioned technical problem, the technical solution of the utility model is: a kind of vehicle transmission axle suspension block bearing, comprise the seal ring that install the steel ball installed between outer ring, inner ring, outer ring and the inner ring and retainer, outer ring and inner ring both sides, seal ring external diameter end is positioned at the seal groove on the endoporus of outer ring, it is characterized in that: the end face of described inner ring is provided with groove, the inboard boss that forms of groove; Described internal diameter of the seal ring end adopts three lip seal structures, and wherein a lip internal diameter and inner ring cylindrical adopt transition fit, and bilabiate internal diameter and groove floor adopt interference fit, and interference fit is adopted in three lip internal diameters and groove side.
Bilabiate internal diameter described in the technical solution of the utility model and three lip internal diameters are V-shape and distribute, and the bilabiate internal diameter is positioned at the corner of groove floor.
The utility model is because on the basis of existing vehicle transmission axle suspension block bearing, end face at inner ring is provided with groove, and make the groove inboard form boss, adopt three lip seal structures at the internal diameter of the seal ring end, one lip internal diameter and inner ring cylindrical adopt transition fit, bilabiate internal diameter and groove floor adopt interference fit, interference fit is adopted in three lip internal diameters and groove side, thereby grease is stressed at boss and groove surface place, moving direction changes, grease is got back in the bearing cavity, thereby has guaranteed high pulling torque high speed lower seal performance.The sealing configuration that the utility model bearing has makes bearing no matter the situation that grease leaks and enters silt water can not occur under low speed or situation at a high speed, thereby has avoided the premature failure of bearing, makes bearing meet or exceed the working life of bearing.The utlity model has can keep good lubricated, improve the characteristics in the working life of bearing.The utility model is mainly used in vehicle transmission axle suspension block bearing.
Description of drawings
Fig. 1 is existing vehicle transmission axle suspension block bearing structural representation.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is boss among Fig. 2, groove partial enlarged drawing.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, existing vehicle transmission axle suspension block bearing comprises the steel ball 3 of installation between outer ring 1, inner ring 2 and outer ring 1 and the inner ring 2 and the retainer of retainer 4, outer ring 1 and inner ring 2 both sides.Retainer 4 is evenly distributed on steel ball 3 between outer ring 1 and the inner ring 2, and seal ring is between the seal groove 1-1 on 1 endoporus of outer ring and inner ring cylindrical 2-1.The sealing configuration of existing vehicle transmission axle suspension block bearing is fine the performance of middling speed lower seal effect, but can not adapt to the situation that bearing runs up, and the grease leakage phenomenon will occur when bearing runs up.
As Fig. 2, shown in Figure 3, corresponding identical in the outer ring 1 in the utility model, steel ball 3, retainer 4 and the existing vehicle transmission axle suspension block bearing.The end face of inner ring 6 inner rings in the utility model is provided with annular groove 6-3, the inboard annular boss 6-2 that forms of groove.Seal ring 5 internal diameter ends in the utility model adopt three lip seal structures, and wherein a lip internal diameter 5-1 and inner ring cylindrical 6-1 adopt transition fit; Bilabiate internal diameter 5-2 and three lip internal diameter 5-3 are V-shape and distribute, and bilabiate internal diameter 5-2 is positioned at the corner of groove 6-3 bottom surface and side, adopt radially, axial interference fit; Interference fit is adopted in the side of three lip internal diameter 5-3 and groove 6-3.
When grease arrives boss 6-2, grease will be located stressed at this, will the moving direction of grease be changed, and grease will be got back in the bearing bore, so just guarantee the sealability of car sling under the more rugged environment of high speed sand water.
Claims (2)
1. vehicle transmission axle suspension block bearing, the seal ring (5) that comprises the steel ball (3) installed between outer ring (1), inner ring, outer ring (1) and the inner ring and retainer (4), outer ring (1) and the installation of inner ring both sides, seal ring (5) external diameter end is positioned at the seal groove on the endoporus of outer ring, it is characterized in that: the end face of described inner ring (6) is provided with groove (2-3), the inboard boss (6-2) that forms of groove (2-3); Described seal ring (5) internal diameter end adopts three lip seal structures, wherein a lip internal diameter (5-1) adopts transition fit with inner ring cylindrical (6-1), bilabiate internal diameter (5-2) adopts interference fit with groove (6-3) bottom surface, and three lip internal diameters (5-3) adopt interference fit with groove (6-3) side.
2. vehicle transmission axle suspension block bearing according to claim 1 is characterized in that: described bilabiate internal diameter (5-2) is V-shape with three lip internal diameters (5-3) and distributes, and bilabiate internal diameter (5-2) is positioned at the corner of groove (6-3) bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320242818 CN203223467U (en) | 2013-05-08 | 2013-05-08 | Automobile transmission shaft hanger supporting bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320242818 CN203223467U (en) | 2013-05-08 | 2013-05-08 | Automobile transmission shaft hanger supporting bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203223467U true CN203223467U (en) | 2013-10-02 |
Family
ID=49250471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320242818 Expired - Fee Related CN203223467U (en) | 2013-05-08 | 2013-05-08 | Automobile transmission shaft hanger supporting bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203223467U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141681A (en) * | 2013-05-08 | 2014-11-12 | 襄阳汽车轴承股份有限公司 | Automobile transmission shaft hanging bracket supporting bearing |
-
2013
- 2013-05-08 CN CN 201320242818 patent/CN203223467U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141681A (en) * | 2013-05-08 | 2014-11-12 | 襄阳汽车轴承股份有限公司 | Automobile transmission shaft hanging bracket supporting bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131002 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |